The main partitioning is franchise which is somewhat tied to the single London terminus they have. Some of the ghost trains, eg Paddinton to Ruislip, cross thes

The main partitioning is franchise which is somewhat tied to the single London terminus they have. Some of the ghost trains, eg Paddinton to Ruislip, cross these boundaries. https://s-media-cache-ak0.pinimg.com/736x/a6/3b/45/a63b45c481bac3afe3589e41bc7fc85b.jpg https://s-media-cache-ak0.pinimg.com/736x/a6/3b/45/a63b45c48...